National Health Laboratory Services Executive and Leadership Team

November, 2026

Leadership Overview

National Health Laboratory Services has 4 executives leading key functions including administrative support, financial management, information technology, and medical diagnostics.

Committed to advancing diagnostic pathology across South Africa, National Health Laboratory Services delivers essential healthcare support to national and provincial departments through rigorous scientific excellence and operational efficiency.

Leadership Roles at National Health Laboratory Services

  • PA To the Chief Executive Officer At NHLS - Desiree Franker
  • Chief Financial Officer - Pumeza Mayekiso
  • Chief Information Officer - Seni Hlongwane
  • Medical Chief & Technologist - Sigrid Vollmer
  • Desiree Franker - PA To the Chief Executive Officer At NHLS

    Desiree Franker, the PA To the Chief Executive Officer At NHLS at National Health Laboratory Services, manages the complex administrative requirements of the executive office. Franker coordinates high-level communications between the Chief Executive Officer and provincial health departments to ensure seamless operational flow. By prioritizing critical correspondence and scheduling, the PA To the Chief Executive Officer At NHLS maintains the focus of the leadership team on diagnostic service delivery. Desiree Franker facilitates internal governance processes, ensuring that all executive documentation aligns with national health standards. This role involves managing sensitive stakeholder relationships across the South African healthcare landscape. Through meticulous organization of executive workflows, the PA To the Chief Executive Officer At NHLS supports the broader mission of providing reliable pathology services. Efficiency in this position directly impacts the ability of the organization to respond to urgent public health demands across the country.

    Pumeza Mayekiso - Chief Financial Officer

    Pumeza Mayekiso, the Chief Financial Officer at National Health Laboratory Services, directs the fiscal strategy and resource allocation for the entire diagnostic pathology network. Mayekiso oversees the budgeting processes required to sustain laboratory operations across diverse provincial health sectors. By implementing robust financial controls, the Chief Financial Officer ensures the long-term sustainability of diagnostic services. Pumeza Mayekiso manages capital investments in laboratory infrastructure, directly influencing the capacity for high-volume testing. This leadership role involves constant collaboration with the Board to align financial performance with public health mandates. Through rigorous oversight of procurement and expenditure, the Chief Financial Officer secures the necessary funding for advanced medical equipment. Mayekiso drives fiscal transparency, ensuring that every rand supports the delivery of essential healthcare. This financial stewardship remains vital for maintaining the operational scale required to serve the national health system effectively.

    Seni Hlongwane - Chief Information Officer

    Seni Hlongwane, the Chief Information Officer at National Health Laboratory Services, architects the digital infrastructure necessary for large-scale diagnostic data management. Hlongwane oversees the integration of laboratory information systems across all regional facilities to ensure rapid reporting of pathology results. By modernizing the technological framework, the Chief Information Officer enables seamless data exchange between laboratories and provincial health departments. Seni Hlongwane drives the implementation of cybersecurity protocols to protect sensitive patient information across the national network. This leadership role involves managing complex IT projects that support diagnostic accuracy and operational speed. Through the deployment of scalable cloud solutions, the Chief Information Officer enhances the ability of the organization to handle massive diagnostic workloads. Hlongwane ensures that digital tools remain aligned with the evolving needs of the healthcare sector, ultimately improving the speed and reliability of patient diagnostics throughout South Africa.

    Sigrid Vollmer - Medical Chief & Technologist

    Sigrid Vollmer, the Medical Chief & Technologist at National Health Laboratory Services, directs the scientific standards and technical protocols governing diagnostic pathology. Vollmer oversees the implementation of advanced testing methodologies to ensure clinical accuracy across all laboratory sites. By managing the technical workforce, the Medical Chief & Technologist maintains high quality control benchmarks for every diagnostic procedure. Sigrid Vollmer collaborates with medical experts to refine testing workflows, directly impacting the speed of patient diagnosis. This leadership role involves evaluating new medical technologies to expand the diagnostic capabilities of the organization. Through the oversight of laboratory compliance, the Medical Chief & Technologist ensures that all services meet national health regulations. Vollmer drives innovation in pathology, ensuring that the organization remains at the forefront of medical science. This technical leadership supports the delivery of precise, life-saving diagnostic information to healthcare providers across the entire country.

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    Frequently Asked Questions Regarding National Health Laboratory Services Top Executives and Leadership Team

    Who leads National Health Laboratory Services?
    National Health Laboratory Services is led by Desiree Franker (PA To the Chief Executive Officer At NHLS), along with executives such as Pumeza Mayekiso (Chief Financial Officer) and Seni Hlongwane (Chief Information Officer).
    Who is part of National Health Laboratory Services’s executive team?
    The executive team of National Health Laboratory Services includes leaders such as Desiree Franker (PA To the Chief Executive Officer At NHLS), Pumeza Mayekiso (Chief Financial Officer), Seni Hlongwane (Chief Information Officer) and other senior executives.
    How many executives does National Health Laboratory Services have?
    National Health Laboratory Services has 4 executives leading key business areas.
    What roles are included in National Health Laboratory Services’s leadership team?
    The leadership team of National Health Laboratory Services includes roles such as PA To the Chief Executive Officer At NHLS, Chief Financial Officer, Chief Information Officer, Medical Chief & Technologist.